9749727 has 40 divisors (see below), whose sum is σ = 16099776. Its totient is φ = 5842368.

The previous prime is 9749699. The next prime is 9749731. The reversal of 9749727 is 7279479.

It is a happy number.

It is not a de Polignac number, because 9749727 - 2¹⁰ = 9748703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9759727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49393 + ... + 49589.

Almost surely, 2^9749727 is an apocalyptic number.

9749727 is a deficient number, since it is larger than the sum of its proper divisors (6350049).

9749727 is a wasteful number, since it uses less digits than its factorization.

9749727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 260 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 9749727 is about 3122.4552839072. The cubic root of 9749727 is about 213.6309401589.

It can be divided in two parts, 974 and 9727, that added together give a palindrome (10701).

The spelling of 9749727 in words is "nine million, seven hundred forty-nine thousand, seven hundred twenty-seven".